1 files changed, 124 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/ServiceConnectorsOut/Authorization/AuthorizationService.cs b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Authorization/AuthorizationService.cs
new file mode 100644
index 0000000..f0d21e6
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+++ b/OpenSim/Region/CoreModules/ServiceConnectorsOut/Authorization/AuthorizationService.cs
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using Nini.Config;
+using log4net;
+using OpenSim.Framework;
+using OpenSim.Services.Interfaces;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenMetaverse;
+
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+
+namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Authorization
+{
+    public class AuthorizationService : IAuthorizationService
+    {
+        private enum AccessFlags
+        {
+            None = 0,               /* No restrictions */
+            DisallowResidents = 1,  /* Only gods and managers*/
+            DisallowForeigners = 2, /* Only local people */
+        }
+
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        private IUserManagement m_UserManagement;
+        private IGridService m_GridService;
+
+        private Scene m_Scene;
+        AccessFlags m_accessValue = AccessFlags.None;
+
+
+        public AuthorizationService(IConfig config, Scene scene)
+        {
+            m_Scene = scene;
+            m_UserManagement = scene.RequestModuleInterface<IUserManagement>();
+            m_GridService = scene.GridService;
+
+            if (config != null)
+            {
+                string accessStr = config.GetString("Region_" + scene.RegionInfo.RegionName.Replace(' ', '_'), String.Empty);
+                if (accessStr != string.Empty)
+                {
+                    try
+                    {
+                        m_accessValue = (AccessFlags)Enum.Parse(typeof(AccessFlags), accessStr);
+                    }
+                    catch (ArgumentException)
+                    {
+                        m_log.WarnFormat("[AuthorizationService]: {0} is not a valid access flag", accessStr);
+                    }
+                }
+                m_log.DebugFormat("[AuthorizationService]: Region {0} access restrictions: {1}", m_Scene.RegionInfo.RegionName, m_accessValue);
+            }
+
+        }
+
+        public bool IsAuthorizedForRegion(
+            string user, string firstName, string lastName, string regionID, out string message)
+        {
+            message = "authorized";
+
+            // This should not happen
+            if (m_Scene.RegionInfo.RegionID.ToString() != regionID)
+            {
+                m_log.WarnFormat("[AuthorizationService]: Service for region {0} received request to authorize for region {1}",
+                    m_Scene.RegionInfo.RegionID, regionID);
+                return true;
+            }
+
+            if (m_accessValue == AccessFlags.None)
+                return true;
+
+            UUID userID = new UUID(user);
+            bool authorized = true;
+            if ((m_accessValue & AccessFlags.DisallowForeigners) == AccessFlags.DisallowForeigners)
+            {
+                authorized = m_UserManagement.IsLocalGridUser(userID);
+                if (!authorized)
+                    message = "no foreigner users allowed in this region";
+            }
+            if (authorized && (m_accessValue & AccessFlags.DisallowResidents) == AccessFlags.DisallowResidents)
+            {
+                authorized = m_Scene.Permissions.IsGod(userID) | m_Scene.Permissions.IsAdministrator(userID);
+                if (!authorized)
+                    message = "only Admins and Managers allowed in this region";
+            }
+
+            return authorized;
+        }
+
+    }
+}
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